Product
4K Video Conferencing PTZ Camera — NT-VX71UVS
4K@30fps · 12x Zoom · 71° Wide-Angle · AI Auto-Tracking · PoE Support
Professional 4K Ultra HD video conferencing PTZ camera with 8.42MP CMOS sensor delivering 3840×2160 resolution at up to 30fps. Features 12x optical zoom combined with 71° ultra-wide viewing angle—ideal for capturing entire rooms in a single shot while maintaining ability to zoom into distant participants. Built-in electromechanical head with ±170° pan and -30° to +90° tilt range. Supports three flexible power modes: PoE (single network cable for power and video), USB 5V, or DC 12V adapter. H.264 Slice/SVC codec support optimizes performance for USB-based video conferencing platforms. 255 preset positions with 0.1° accuracy enable frame-perfect participant switching. Simultaneous HDMI, USB 3.0, and LAN output with dual stream capability.
Key Features
- 4K Ultra HD (3840×2160) @ up to 30fps with 8.42MP sensor—professional image quality for video conferencing documentation
- 71° ultra-wide horizontal FOV combined with 12x optical zoom—captures entire conference room or zooms into specific participants
- H.264 Slice / H.264 SVC codec support optimized for USB-based video conferencing platforms (Zoom, Teams, WebEx, Skype)
- Electromechanical pan-tilt head with ±170° horizontal and -30° to +90° vertical range—smooth operator-controlled framing
- 255 preset positions with 0.1° accuracy—store participant locations or seating arrangements for instant scene recall
- Three flexible power modes: PoE (single network cable), USB 5V (plug-and-play), or DC 12V adapter (maximum flexibility)
- Dual stream capability—simultaneously output two independent video streams (YUY2, MJPEG, or H.264) to reduce host codec load
- Simultaneous HDMI 1.4b, USB 3.0, and LAN output—connect to multiple systems without worrying about port bottlenecks
- Ultra-low light performance (0.5 Lux) with 2D & 3D noise reduction—maintains clarity in dimly lit boardrooms or during lighting changes
- Compact form factor (144×144×166.4mm, 1.41kg)—lightweight for desk mounting, tripod, or ceiling suspension
- Extended temperature range (-10°C to 40°C operating)—suitable for varied climate-controlled environments
- Cross-platform compatibility (Windows, macOS, Linux, Android) with UVC plug-and-play—works immediately with any conferencing software
Specifications
Camera & Sensor Specifications
ModelNT-VX71UVS
Sensor Type1/2.5 inches CMOS, Progressive scan
Effective Pixels8.42 Megapixels
Resolution4K Ultra HD (3840×2160) @ up to 30fps, backward compatible with 1080P and 720P
Focal Length12x optical, f=4.4mm ~ 52.8mm, F1.8 ~ F2.6
Optical & Zoom Specifications
Optical Zoom12x optical zoom with ultra-high-definition 4K lens
Horizontal Field of View71° ~ 8.2° (ultra-wide to telephoto)
Vertical Field of View42.7° ~ 4.5°
Zoom RangeCaptures full room overview at 71° or zooms into distant participants
Minimum Illumination0.5 Lux @ (F1.8, AGC ON)
Shutter Speed1/30s ~ 1/10000s
Pan-Tilt Movement & Presets
Pan Angle±170° for full horizontal coverage
Tilt Angle-30° ~ +90° for high/low participant capture
Pan Speed2.7° ~ 35.7°/s (electromechanical head)
Tilt Speed2.7° ~ 31.5°/s
Preset Positions255 memory positions for participant groups or room locations
Preset Accuracy0.1° for consistent frame-perfect positioning
Video Processing & Quality
White BalanceAuto, Indoor, Outdoor, One Push, Manual, VAR
Backlight CompensationSupported for varied lighting conditions
Digital Noise Reduction2D & 3D noise reduction for clean low-light video
Signal-to-Noise Ratio (SNR)≥ 55dB for excellent clarity
Image FlipSupported for ceiling or inverted mounting
Image FreezeSupported for pausing during transitions
Video Compression & Codecs
Video CompressionH.265 / H.264 / MJPEG
H.264 Advanced CodingH.264 Slice and SVC support optimized for USB video conferencing
First Stream Resolution3840×2160 (4K), 1920×1080, 1280×720
Second Stream Resolution1920×1080, 1280×720, 1024×576 for dual-stream scenarios
Video Bit Rate32Kbps ~ 6144Kbps (6Mbps max)
Bit Rate ControlVBR (Variable), CBR (Constant)
Frame Rate50Hz: 1fps ~ 25fps; 60Hz: 1fps ~ 30fps
Streaming & Network Protocols
Primary ProtocolsTCP/IP, HTTP, RTSP, RTMP, ONVIF
Additional ProtocolsDHCP, Multicast
USB Video StandardUVC 1.1 or UVC 1.5 (plug-and-play USB video conferencing)
USB Audio32K Sampling Rate, UAC2.0 support
Dual Stream CapabilitySimultaneous YUY2, MJPEG, H.264 output on both streams
Audio Specifications
Audio CompressionAAC audio encoding
Audio Bit Rate96Kbps, 128Kbps, 256Kbps
Audio Interface1 × Line In (3.5mm Jack) for external microphone input
UVC Audio32K Sampling Rate with UAC2.0 for USB audio conferencing
Connectivity & Interfaces
USB Interface1 × USB 3.0 (Type-C) for video, audio, and control
HDMI Output1 × HDMI 1.4b (optional) for uncompressed 4K video
Network Interface1 × RJ45 (10M / 100M Adaptive Ethernet) with PoE support
Simultaneous OutputHDMI, USB 3.0, and LAN can output simultaneously
Protocol SupportUVC PTZ Control for PTZ camera protocols over USB
Power Supply Options
Power InterfaceThree modes: DC 12V / USB Type-B (5V) / PoE
Input VoltageDC 12V / USB 5V / PoE (802.3af)
Input Current12V 1.0A (Max), 5V 1.5A (Max)
Power Consumption12W (Max)
PoE BenefitSingle network cable handles power, control, and video simultaneously
Control & Remote Interface
RS232 Control8-pin Mini DIN, Max Distance: 30m, Protocols: VISCA / Pelco-D / Pelco-P
RS485 ControlPhoenix port, Max Distance: 1200m, Protocols: VISCA / Pelco-D / Pelco-P
Network ControlEthernet-based remote control and management
USB ControlUSB-based PTZ control via UVC protocol
Multiple Control MethodsSupport for simultaneous control via RS232, RS485, Network, and USB
Physical & Mechanical Specifications
Electromechanical HeadSelf-developed head with ±170° pan and -30° to +90° tilt
Dimension144mm × 144mm × 166.4mm (compact desktop form factor)
Net Weight1.41 kg (lightweight for mounting flexibility)
Operating Temperature-10°C ~ 40°C (extended low-temp operation)
Storage Temperature-40 ~ 60℃
Software & System Compatibility
Windows SupportWindows 7, Windows 8, Windows 10 or higher
macOS SupportmacOS 10.5 or higher
Linux SupportLinux 2.4.6+
Android SupportAndroid (UVC support required)
Hardware Requirements2.4 GHz Intel Core 2 Duo CPU or higher, 2 GB RAM or more, USB 2.0 interface
Applications
- Professional Corporate Conferencing — 4K@30fps with 71° wide-angle captures all boardroom participants; 255 presets enable smooth focus on speakers
- Executive Video Meetings — High-resolution 4K ensures professional appearance for C-suite executive communication and negotiation
- Hybrid Education & Lecture Capture — PoE single-cable setup simplifies classroom installation; electromechanical pan-tilt allows instructor tracking
- Large Venue Events & Houses of Worship — 71° wide view captures congregations/audiences; 255 presets enable seamless pulpit-to-pew transitions
- Multi-Platform Live Streaming — RTMP/RTSP protocol support feeds YouTube, Facebook, LinkedIn, Twitch simultaneously
- Webinars & Online Training — USB plug-and-play with Zoom, Teams, WebEx, Skype; dual stream reduces host processing load
- Government & Legal Video Documentation — Reliable 4K capture with multiple control methods ensures compliant recording and archival
- Conference Center Master Control — RS485 long-distance support (1200m) enables centralized PTZ management of multiple rooms
- Broadcast & Production Studios — H.265/H.264 compression and dual streams support concurrent broadcast and recording workflows
- Recording & Content Archival — 4K primary stream for high-quality permanent documentation; 720p secondary stream for efficient long-term storage
